Apparatus for priming and decarbonizing internal-combustion engines.



G. ,J. LYNN. APPARATUS FOR PBIMING AND DEOARBONIZING INTERNAL COMBUSTION ENGINES.

APPLICATION FILED DEC; 22 1913.

1 1 1 5,846. PatentedvNov. 3, 1914.

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GRENVILLE J. LYNN, or LOS ANGELES, cALIFonN IA.

APPARATUS non PRIMING AND DEc nBONIZiN INrEnNAL-coMnUsmoN ENG NES.

Specification of Letters Patent.

Patented Nov.'i3, 1 91:4.

. Application filed December 22, 1913. Serial No. 808,094.

To all whom it may concern:

Be it known that I, GRENVLLLE J. LYNN, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles, State of California,have invented new and useful Improvements in Apparatus for Priming and Decarbonizing Internal-Combustion Engines, of which the following is a specification.

This invention relates to an apparatus for priming and decarbonizing internal combustion engines.

Itis the object of this invention to provide an apparatus whereby a measured quantity of either a priming or decarbonizing fluid may be injected into the cylindersof gas engines at will for the purpose of starting or accelerating the engine and for removing accumulations of carbon from the enginecylinders and internal parts.

A further object is to provide an'adjustable means in an apparatus of the above character whereby the quantity of the priming liquid and decarbonizer may be regulated to suit variable conditions so that the apparatus can be applied to gas engines of various types and sizes. I

Another object is to provide a-combined priming and decarbonizing apparatuswhich is simple in construction and efficient and reliable in operation.

Other objects will appear hereinafter.

1 The invention primarily resides in a pair of reservoirs for the reception of the priming and decarbonizing liquids, a pair of pumps mounted to operate simultaneously, means whereby the intake of both of the pumps can be connected to either of the reservoirs, and means whereby the discharge openings of either of the pumps may be separately connected to either of the reservoirs or'to the cylinders of an engine.

The invention consists of the parts and construction and combination of parts as hereinafter more fully described and claimed, having reference to the accompanying drawings, in which;

Figure 1 is a view in front elevation of the apparatus with portions broken away to show theplunger construction of the pumps. Fig. 2 is a plan view. Fig. 3 is a diagrammatic view illustrating the application of the invention and showing the control valves in section. Fig. 4 is an enlarged detail section of one of the control valves. T

In the drawings, 5 and 6 indicate reservoirs of any suitable construction for the reception of the priming and decarbonizing fluids respectively, which reservoirs may be mounted at any convenient point and are fitted with perforated caps 7 closing their intake; openings. A pair of corresponding. pumps'8 and 9 are mounted in parallel relation to each other adjacent tothe reservoirs 5 and '6 which pumps are fitted with reciprocatlng pistons 10 and 11 adjustably mounted by means of nuts 12 on the thread ed' lower ends of piston rods 13 and 14, which piston rods are connected at their upper ends to a crossbar 15.. A hand lever 16 pivoted at 17 is connected at 18 to the cross bar and is provided. for thepurposeof reciprocating the pistons 10 and 11'- in the cylinders of the pumps 8 and 9 simultanev ously in one operation. I

The'lower ends of the pump cylinders are formed with valved intake openings which connect with a single conduit 19 which leads to the port 20 in the casing of a three-way valve a;the inlet ports 21 and 22 of which valve connect withconduits 23 and 24 which connect with the lower ends of the reservoirs 5 and 6. The three-way valvea is provided forthe purpose of controlling communication between both of the pumps 8 and 9 and either reservoir 5 and 6, according to whether it is desired to draw the priming fluid or the decarbonizing fluid into the :pumps; the valve 0; being formed with the usualthreeway passage 25, which on the'turning of the valve will form a communication between theports 20 and. 21 or between the ports 20 and 22.

The outlets 26 of the pumps8 and 9 are formed near their lower ends and connect with pipes 27 leading to ports 28 and 29 in the casings of'three-way valves b and 0,

which valves correspond in construction a with the valve a and are formed with threeway' passages 30 and 31; the casing of the valve 7) having ports 32 and 33 which con nect with pipes 34 and 35 respectively; the pipe 34 leading to an engine cylinder 36 above the piston therein through a check valve 37 and the pipe 35 connecting with'the port 38 in a three-way valve Z. -The casing of valve 0 is provided with ports 39 and 40 which connect with pipes 41 and 42 respectively; the pipe 41 connecting with an engine cylinder 43'through a check valve 44 and the pipe 42 connecting with the pipe 35 leading to the port 33 in the valve d. The valve cl is provided with a three-way passage 45 and with ports 46 and 47 in its casing which ports connect with pipes 48 and 49 leading to the upper ends of the reservoirs 5 and 6 respectively.

The length of the strokes of the pistons 10 and 11 are re 'ulated by means of adjustable stops 50 adapted to engage the cross bar 15 on its up stroke to limit the movement of the latter, which stops comprise pins insertible in any one of a series of perforations 51 formed in a standard 52. 7 Any other means for limiting the strokes of the pistons 10 and 11 may be provided as desired. This adjustment of the piston stroke is for the purpose of regulating the quantity of liquid drawn into and discharged from the pumps at one operation.

In the operation of the invention, when it is desired to force a measured quantity of the priming liquid into either the engine cylinder 36 or 43, the three-way valve a is turned to close the port 22 and connect the ports 20 and 21 through the passage 25, thereby forming a connection between the reservoir 5 and the intake openings of the pumps 8 and 9. The hand lever 16, being previously disposed in its lowermost position, on being raised to its uppermost position, which is regulated by the stop pin 50, acts through the cross bar 15 to move the pistons 10 and 11 upward in the pump casings, thereby drawing a charge of the priming liquid into the pump casing below the pistons from the reservoir 5; the liquid being trapped in the pump casings by means of foot valves therein.

If it is desired to introduce the liquid into the engine cylinder 36 the valve 1) is turned to register with ports 28 and 32 to form communication between the discharge opening 26 of the pump 8 and the engine cylinder 36. The valve 0 will then be turned to connect the ports 29 and 40 so as to open communication between the discharge opening 26 in the pump 9 and the reservoir 5 through the valve cl which is positioned to connect the ports 38 and 47. The pistons 10 and 11 now being forced down by the operation of the lever 16 will operate to discharge the liquid beneath the piston 10 into the engine cylinder 36 through the check valve 37 and discharge the liquid beneath the piston 11 back into the reservoir 5.

If it is desired to introduce the priming liquid into the engine cylinder 43 before operating the pistons 10 and 11 on the clownstroke, the valve 0 is turned to connect the ports 29 and 39 to form communication between the discharge opening 26 in pump 9 and the engine cylinder 43, and the valve 6 is turned to connect ports 28 and 33 to form connection between the pump 8 and the.

reservoir 5. To introduce the priming fluid into both the engine cylinders 36 and 43 the valves b. and 0 are turned to open communication between the pump 8 and the engine cylinder and between the pump 9 and the engine cylinder 43.

hen it is desired to introduce the carbonizing fluid into either or both of the engine cylinders 36 and 43, the valve or is turned to close the port 21 and connect the ports 20 and 22 through the passage 25, and the valve (Z is turned to close the port 47 and connect the ports 38 and 46. The up-stroke of the pistons 10 and 11 will then operate to draw the decarbonizing fluid into the pumps 8 and 9, whereupon the valves Z) and 0 are adjusted as before described to direct the fluid into either one or both of the engine cylinders, or back to the reservoir 6.

From the foregoing it will be seen that the pumps 8 and 9 will operate to simultaneously draw the liquids from either reservoir 5 and 6 and will discharge the liquid into either or both engine cylinders or back into the reservoir when it is undesirable to deliver it to both engine cylinders. It may be advantageous at times to mix the liquids of the reservoirs 5 and 6 either in the pumps or by transferring the liquid from one reservoir to the other. This can be readily accomplished by positioningthe valves a b 0 and d according to the end sought.

lVhile I have shown the invention as aD- plied to a two-cylinder engine and employing two reservoirs, and two pumps, it is obvious that the number may be increased to any desired extent, such for instance, where an apparatus is to be attached to a fouroylinder engine, a set of four pumps would be employed and connected to the reservoirs 5 and 6 and to the two additional engine cylinders in the manner shown and described in connection with two cylinders herein referred to.

hat I claim is:

1. In an apparatus of the class described, a plurality of pumps, means for manually op erating said pumps synchronously, and means whereby a single operation of the pumps will act to deliver one or the other of several liquids, to one or more engine cylinders or back to the source of liquid supply.

2. An apparatus for introducing priming and decarbonizing liquids into gas engines, comprising a pair of reservoirs, a plurality of pumps, means for operating the pumps simultaneously, connections between the intake openings of the pumps and each of the reservoirs, a single valve for opening communication between either of the reservoirs and all the pumps, communications between the discharge openings of the pumps and the engine cylinders and with the reservoirs, and valve means for directadapted to open and close communicationv between either of the reservoirs and the pumps, means for adjusting the pump stroke to regulate the quantity of liquid handled Copies of thil pltent may be obtained for thereby, connections leading fromthe discharge openings of the pumps to the engine cylinders and to" the upper ends of the res ervoirs, valve means for directing the discharge of the pumps to either or all of the engine cylinders or to either of the, reservoirs.

In witness that I claim the foregoing I have hereunto subscribed my name this 3rd day of December, 1918. 1

Witnessesf R. S. BERRY, MARIE BATTEY.

iive cents each, by addressing the Commissioner of Patents, Washington, D. G. 7

GRENVIL'LE J. LYN I 

